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First Aluminum Cut: Success

Discussion in 'General Talk' started by brrian, May 3, 2020.

  1. brrian

    brrian Well-Known
    Builder

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    It's been baby steps to get here, but today I finally cut my first aluminum parts on my modified 1515 (build here). I'm slotting and putting pilot holes in some 3/4" square aluminum bars.

    This machine replaced my Shapeoko XXL. I needed the additional cutting area that the 1515 provides. I was concerned about flex & twist on the wide gantry & my modifications were mostly to stiffen the gantry.

    I cut with a 3/16" single flute HSS bit, at 38IPM - all the same as my Shapeoko. I'm not getting any of the chatter I experienced with the Shapeoko. Right off the bat I was also able to increase my DOC slightly, to .025" from .020". With a little time & testing I think I might be able to do even better, and maybe also increase cutting speed a bit.

    It's too early to get too excited... I've got about 100 of these bars to cut & we'll see how that goes, but it felt good to get this first aluminum cut under my belt. Thanks to all who have helped me get here!

    [​IMG]
     
  2. Giarc

    Giarc OpenBuilds Team
    Staff Member Moderator Builder Resident Builder

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    Looks real good. I was cutting aluminum last night, as well. Very similar settings with a 3/16" cutter. I was happy with my results too.
     
    Peter Van Der Walt likes this.
  3. brrian

    brrian Well-Known
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    100 aluminum bars done. No issues! The cuts were clean through the entire job. It definitely cuts nicer than the Shapeoko did. I don't have any other aluminum jobs yet but it'll be interesting to see how it does with something other than a slot.
     

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